Jwin JX-CD680 Using ANTI-SHOCK and Skip Free Protection Feature, Product Specifications, Pick UP

USING ANTI-SHOCK AND SKIP FREE PROTECTION FEATURE

Note the " " indicator appears on display as being empty when the player first activated. It immediately begins to store sound data in memory bank, the indicator

appears to be " " when the data buffer is full.

When the laser loses tracking due to mechanical shock, the data stream into the memory is interrupted but the data output from the memory buffer continues, so the sound is not interrupted. As the data is read from the memory, the indicator

changes from " " to " ".

Once the laser locks again on the CD track, the data stream is fed to the memory and joined to the previous data (see indicator changes) at higher speed, this provides higher level shock protection than the traditional one.

CAUTION

If the unit is subject to excessive and continuous repeated shocks than expected, it will cause sound skip. Also note the " " indicator will appear empty.

NOTES

•When the "ANTI-SHOCK" is operating, the battery consumption is higher because the disc rotates faster than normal and also the memory circuitry is activated.

•When the digital anti-skip function is switched "ON" or "OFF", the sound will be interrupted, and it is normal.

•Remember that condition such as dirty, scratched or warped discs may cause skipping or noise thereby affecting performance of "ANTI-SHOCK" system.

PRODUCT SPECIFICATIONS

PICK UP
System	Compact disc digital audio system
Laser diode	Material : GaAlAs
Properties	Wavelength: η = 780nm
	Emission duration : continuous
	Laser output: < 44.6∝W
Error correction	Cross-interleave Reed-solomon code
AUDIO
D/A conversion	DAC four times oversampling
Frequency response	20-20,000Hz (+1/-3 dB)
Wow and filter	Below measurable limits
No. of channels	2 Channel (stereo)
Output level	Headphones : 20mW (321)
Bass boost effect (100Hz)	+8 dB
GENERAL
Power requirements	- 2 x LR6 "AA" alkaline battery
	- DC in 6V jack accepts AC power adaptor
	(centre positive)
Power consumption	0.8W (DC 3V) under normal condition
Dimension	Approx. 128 (W) x 28.5 (H) x 137 (D) mm
Weight	Approx. 200g not including battery

12 13